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NCERT Class XII Mathematics Chapter - - Solutions

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Question : 63 of 78
Marks: +1, -0
Find the equation of a line parallel to x-axis and passing through the origin.
Solution:  
The line passing through (0, 0, 0) and is parallel to x-axis.
⇒ The line is x-axis itself.
∴ Its equations are y = 0, z = 0
⇒x1=y0=z0.\Rightarrow \frac{x}{1} = \frac{y}{0} = \frac{z}{0} .
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